Theben Catalogue 2014/15. Save energy – Increase comfort.

Climate control
Clock thermostats, Digital battery version
Technical data
RAMSES 811 top2
RAMSES 831 top2
Operating voltage
Type of contact
2 AA batteries
Changeover contact
Switching capacity 6 A (at 250 V AC, cos φ = 1), 1 A (at 250 V AC, cos φ = 0.6)
Setting range temperature +6 °C … +30 °C
Time basis
Program
Number of memory locations
Control types
Control period
Control capture range
Switching output
Time accuracy at 25 °C
Power reserve
Battery life
Quartz
Weekly program, Daily program, Holiday program, 3 basic programs
42, max. 24 per program
Pulse width modulation, Hysteresis controller
5–30 min
0,2–5 K
Potential-free
≤ ± 1 s/day (quartz)
Max. 10 mins without losing time
approx. 1 year, depending on switching frequency
Type of protection IP 20
Protection class II according to EN 60 730-1
Accessories
9
Actuator ALPHA 4 230 V
↪ Art.No.: 9070438
Details page 255
Actuator ALPHA 4 24 V
↪ Art.No.: 9070439
Details page 255
Temperature sensor
for RAMSES 831 top2
↪ Art.No.: 9070321
Details page 254
Room temperature sensor
RAMSES IP 65
for RAMSES 831 top2
↪ Art.No.: 9070459
Details page 254
Scale drawings
Connection diagrams
95
3
2
1
3
2
1
140
23
RAMSES 811 top2, RAMSES 831 top2
N
L
N
L
RAMSES 811 top2
RAMSES 811 top2
Additional technical data at: www.theben.de/product/ Article number 147